diff --git a/lib/std/Uri.zig b/lib/std/Uri.zig
index 198ab461ae..2228c78120 100644
--- a/lib/std/Uri.zig
+++ b/lib/std/Uri.zig
@@ -15,15 +15,15 @@ query: ?[]const u8,
 fragment: ?[]const u8,
 
 /// Applies URI encoding and replaces all reserved characters with their respective %XX code.
-pub fn escapeString(allocator: std.mem.Allocator, input: []const u8) error{OutOfMemory}![]const u8 {
+pub fn escapeString(allocator: std.mem.Allocator, input: []const u8) error{OutOfMemory}![]u8 {
     return escapeStringWithFn(allocator, input, isUnreserved);
 }
 
-pub fn escapePath(allocator: std.mem.Allocator, input: []const u8) error{OutOfMemory}![]const u8 {
+pub fn escapePath(allocator: std.mem.Allocator, input: []const u8) error{OutOfMemory}![]u8 {
     return escapeStringWithFn(allocator, input, isPathChar);
 }
 
-pub fn escapeQuery(allocator: std.mem.Allocator, input: []const u8) error{OutOfMemory}![]const u8 {
+pub fn escapeQuery(allocator: std.mem.Allocator, input: []const u8) error{OutOfMemory}![]u8 {
     return escapeStringWithFn(allocator, input, isQueryChar);
 }
 
@@ -39,7 +39,7 @@ pub fn writeEscapedQuery(writer: anytype, input: []const u8) !void {
     return writeEscapedStringWithFn(writer, input, isQueryChar);
 }
 
-pub fn escapeStringWithFn(allocator: std.mem.Allocator, input: []const u8, comptime keepUnescaped: fn (c: u8) bool) std.mem.Allocator.Error![]const u8 {
+pub fn escapeStringWithFn(allocator: std.mem.Allocator, input: []const u8, comptime keepUnescaped: fn (c: u8) bool) std.mem.Allocator.Error![]u8 {
     var outsize: usize = 0;
     for (input) |c| {
         outsize += if (keepUnescaped(c)) @as(usize, 1) else 3;
@@ -76,7 +76,7 @@ pub fn writeEscapedStringWithFn(writer: anytype, input: []const u8, comptime kee
 
 /// Parses a URI string and unescapes all %XX where XX is a valid hex number. Otherwise, verbatim copies
 /// them to the output.
-pub fn unescapeString(allocator: std.mem.Allocator, input: []const u8) error{OutOfMemory}![]const u8 {
+pub fn unescapeString(allocator: std.mem.Allocator, input: []const u8) error{OutOfMemory}![]u8 {
     var outsize: usize = 0;
     var inptr: usize = 0;
     while (inptr < input.len) {